Normal kidney This fat is normal - medicinebau.com · Perinuclear halo is characteristic .. …the...
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Transcript of Normal kidney This fat is normal - medicinebau.com · Perinuclear halo is characteristic .. …the...
Acute inflammatory cells in interstitium Acute inflammatory cells attacking the tubules
glomerulus
Acute pyelonephritis
Acute inflammatory cells attacking the tubule
Acute inflammatory cells in interstitium
Acute pyelonephritis
Necrotizing papillitis (papillary necrosis)…a special pattern of acute pyelonephritis especially in diabetics
Normal transitional epithelium…from adjacent renal calyces
Candida as highlighted by PAS stain
Pyelonephritis due to candida
Chronic pyelonephritis (as you see lymphocytes, plasma cells & few eosinophils in interstitium)
Plasma cell
Xanthogranulomatous pyelonephritis (a complication of long standing chronic pyelonephritis)…as you see it may appear as a suspicious mass
Clear cell renal cell carcinoma …clear cytoplasm due to fat & glycogen …the nuclei in this example are low grade (we have Fuhrman grading for renal cell carcinoma especially used for clear cell type)
Papillary RCC The core here is filled with foamy macrophages and this is common to occur in papillary RCC
Malignant cells
Chromophobe RCC
Perinuclear halo is characteristic .. …the nuclei are atypical (hyperchromatic with irregular nuclear contours)
Perinuclear halo is characteristic …the nuclei are atypical (hyperchromatic with irregular nuclear contours)
Chromophobe RCC
Hyperchromatic cells Urothelial carcinoma in situ: enlarged nuclei, pleomorphism, hyperchromasia, prominent nucleoli & mitoses… Cells with these features are seen in the urothelium without BM disruption
Urothelial carcinoma in situ: enlarged nuclei, pleomorphism, hyperchromasia, prominent nucleoli & mitoses… Cells with these features are seen in the urothelium without BM disruption
Urothelial carcinoma in situ: enlarged nuclei, pleomorphism, hyperchromasia, prominent nucleoli & mitoses… Cells with these features are seen in the urothelium without BM disruption